Biomarkers explained
Every marker on your panel, in plain language: what it measures, why a provider tracks it, and what can move it. 28 markers across 8 panels.
Total testosterone
The total amount of testosterone circulating in the blood, both bound to carrier proteins an…
Free testosterone
The fraction of testosterone not bound to carrier proteins and therefore available to tissue…
SHBG
The concentration of the protein that binds sex hormones in circulation and controls how muc…
Estradiol
The principal oestrogen in circulation, produced in men largely by aromatisation of testoste…
LH
The pituitary hormone that signals the testes to produce testosterone.…
FSH
The pituitary hormone that drives sperm production in men.…
PSA
A protein produced by the prostate, measured in blood.…
IGF-1
A growth factor produced largely by the liver in response to growth hormone.…
Prolactin
A pituitary hormone that, when elevated, suppresses the reproductive axis.…
HbA1c
The proportion of haemoglobin with glucose attached, reflecting average blood glucose over r…
Fasting glucose
Blood glucose concentration after an overnight fast.…
Fasting insulin
Circulating insulin after an overnight fast.…
Vitamin D
The storage form of vitamin D, reflecting overall status.…
Vitamin B12
Circulating vitamin B12, essential for red cell formation and nerve function.…
ApoB
The number of atherogenic lipoprotein particles in circulation, since each carries exactly o…
LDL cholesterol
Cholesterol carried by low-density lipoprotein particles.…
HDL cholesterol
Cholesterol carried by high-density lipoprotein particles.…
Triglycerides
The concentration of triglyceride fats carried in the blood.…